Windblown spray comes off Upper Yosemite Fall as the cone melts and a band of snow reaches up to the entrance of a horizontal cave opening Wednesday in Yosemite National Park. (Guy McCarthy / Union Democrat)

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Cracks are evident in the cone at the base of 1,430-foot Upper Yosemite Fall just after 10 a.m. Wednesday in Yosemite National Park. (Guy McCarthy / Union Democrat)

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Melting snow clings to rocks near the entrance to a horizontal cave at the base of Upper Yosemite Fall, where the cone that normally builds up in winter was melting before 10 a.m. Wednesday. (Guy McCarthy / Union Democrat)

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Spray and sunlight create streaks in this photo taken inside a cave next to the base of Upper Yosemite Fall, where spring and summer like temperatures were melting ice and snow before 10 a.m. Wednesday in Yosemite National Park. (Guy McCarthy / Union Democrat)

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Melting ice and snow are visible in this photo taken before 10 a.m. Wednesday inside a cave next to the base of 1,430-foot Upper Yosemite Fall. (Guy McCarthy / Union Democrat)